2101003102 has 12 divisors (see below), whose sum is σ = 3464050968. Its totient is φ = 955001300.

The previous prime is 2101003081. The next prime is 2101003127. The reversal of 2101003102 is 2013001012.

It is a super-2 number, since 2×2101003102² = 8828428069227244808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4340674 + ... + 4341157.

It is an arithmetic number, because the mean of its divisors is an integer number (288670914).

Almost surely, 2^2101003102 is an apocalyptic number.

2101003102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2101003102 is a deficient number, since it is larger than the sum of its proper divisors (1363047866).

2101003102 is a wasteful number, since it uses less digits than its factorization.

2101003102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8681855 (or 8681844 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 2101003102 is about 45836.7003829900. The cubic root of 2101003102 is about 1280.7830295980.

Adding to 2101003102 its reverse (2013001012), we get a palindrome (4114004114).

The spelling of 2101003102 in words is "two billion, one hundred one million, three thousand, one hundred two".